Merge pull request #918 from wuman/spelling-error-for-suffix
correct spelling error for the word suffix
diff --git a/Documentation/grpc-metadata.md b/Documentation/grpc-metadata.md
index 928f557..f36ef72 100644
--- a/Documentation/grpc-metadata.md
+++ b/Documentation/grpc-metadata.md
@@ -53,8 +53,8 @@
### Storing binary data in metadata
In metadata, keys are always strings. But values can be strings or binary data.
-To store binary data value in metadata, simply add "-bin" surfix to the key.
-The values with "-bin" surffixed keys will be encoded when creating the metadata:
+To store binary data value in metadata, simply add "-bin" suffix to the key.
+The values with "-bin" suffixed keys will be encoded when creating the metadata:
```go
md := metadata.Pairs(
